<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>注册页面</title>
    <link rel="stylesheet" href="css/conmmon.css">
    <link rel="stylesheet" href="css/login.css">
    <!-- 引入 jQuery 文件 -->
    <script src="js/jquery.min.js"></script>
</head>

<body>
<!-- 导航栏 -->
<div class="nav">
    <img src="img/logo2.jpg" alt="">
    <span class="title">我的博客系统</span>
    <!-- 用来占据中间位置 -->
    <span class="spacer"></span>
    <a href="blog_list.html">主页</a>
    <a href="login.html">登陆</a>
    <!-- <a href="#">注销</a> -->
</div>
<!-- 版心 -->
<div class="login-container">
    <!-- 中间的注册框 -->
    <div class="login-dialog">
        <h3>注册</h3>
        <div class="row">
            <span>用户名</span>
            <input type="text" id="username">
        </div>
        <div class="row">
            <span>密码</span>
            <input type="password" id="password">
        </div>
        <div class="row">
            <span>确认密码</span>
            <input type="password" id="password2">
        </div>
        <div class="row">
            <button id="submit" onclick="mysub()">提交</button>
        </div>
    </div>
</div>
<script>
    function mysub() {
        //  1. 非空判断
        // 得到输入的组件
        let username = jQuery("#username");
        let password = jQuery("#password");
        let password2 = jQuery("#password2");
        // 判断组件输入是否为空
        if (username.val().trim() == "") {
            alert("请先输入用户名");
            username.focus();  // 聚焦光标
            return false;
        }
        if (password.val().trim() == "") {
            alert("密码为空");
            password.focus();  // 聚焦光标
            return false;
        }
        if (password2.val().trim() == "") {
            alert("确认密码为空");
            password2.focus();  // 聚焦光标
            return false;
        }
        if (password.val() != password2.val()) {
            alert("两次输入密码不一致!");
            password.focus();
            return false;
        }
        // 2. 先把提交按钮设置成不可点击状态
        jQuery("#submit").attr("disabled", "disabled");
        // 3. 将数据提交后端
        jQuery.ajax({
            type: 'post',
            url: 'user/reg',
            data: {
                "username": username.val().trim(),
                "password": password.val().trim()
            },
            // 4. 根据后端返回的结果处理后续流程
            success: function (body) {
                if (body.code == 200 && body.data == 1) {
                    alert("注册成功!");
                    // 跳转到登录页面
                    location.href = "login.html"
                } else {
                    alert("操作失败: " + body.msg);
                    // 取消禁用按钮
                    jQuery("#submit").removeAttr("disabled");
                }
            }
        });
    }
</script>
</body>

</html>